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Table 1 Detailed information of data sources in the present study

From: Bi-directional and multivariate mendelian randomization analysis of the relationship between circulating 25-hydroxyvitamin D concentration and obstructive sleep apnea

Phenotypes

Consortium

Ancestry

Sample size

Websites

25(OH)D

IEU

European

441,291

https://gwas.mrcieu.ac.uk/

BMI

IEU

European

461,460

https://gwas.mrcieu.ac.uk/

OSA

FinnGen

European

217,955

https://www.finngen.fi/en

  1. BMI, body mass index; OSA, obstructive sleep apnea